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Peters Pressure Washing

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  1. Like
    577-Jersey
    Peters Pressure Washing got a reaction from 577-Jersey in black streaks on gutters! what do you use to clean them with?   
    Two areas that you need to be careful around with F-13 is painted aluminum garage doors and especially factory coated hardyboard siding. I'm not sure why, but these areas are highly sensitive to the chemical and will oxidize quickly leaving a lighter colored chalky stain!
  2. Like
    577-Jersey
    Peters Pressure Washing got a reaction from 577-Jersey in black streaks on gutters! what do you use to clean them with?   
    Two areas that you need to be careful around with F-13 is painted aluminum garage doors and especially factory coated hardyboard siding. I'm not sure why, but these areas are highly sensitive to the chemical and will oxidize quickly leaving a lighter colored chalky stain!
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